Hitchhiking is sexual and may mean that you will be tempted by that person.
You two disagree, but in the end he listens to you, which shows that you listen to men in reality, so you are eager to be the master in your dreams, which shows that you are possessive.
If you don't see his face clearly, your subconscious doesn't want to see him clearly, and you are afraid to see that person. You may have an affair with him or had a quarrel with him, so you don't want to see him.